2010 INFINITI QX56 ignition

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Page 1163 of 4210

INFINITI QX56 2010  Factory Service Manual TRANSFER CONTROL UNITDLN-81
< ECU DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
ECU DIAGNOSIS
TRANSFER CONTROL UNIT
Reference ValueINFOID:0000000005148853
VALUE ON THE DIAGNOSIS TOOL
CONSULT-I

Page 1164 of 4210

INFINITI QX56 2010  Factory Service Manual DLN-82
< ECU DIAGNOSIS >[ATX14B]
TRANSFER CONTROL UNIT
ATP SWITCH [ON/OFF] Condition of ATP switch• Vehicle stopped
• Engine running
• A/T selector lever N posi-
tion
• Brake pedal depressed 4

Page 1167 of 4210

INFINITI QX56 2010  Factory Service Manual TRANSFER CONTROL UNITDLN-85
< ECU DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
PHYSICAL VALUES
Terminal Layout
SHIFT AC MON2 [ON/
OFF] Check signal for transfer 
control unit signal output

Page 1168 of 4210

INFINITI QX56 2010  Factory Service Manual DLN-86
< ECU DIAGNOSIS >[ATX14B]
TRANSFER CONTROL UNIT
10 L/W Transfer dropping resistor• Vehicle stopped
• Engine running
• A/T selector lever 
“N” position
• Brake pedal de- pressed 4WD

Page 1169 of 4210

INFINITI QX56 2010  Factory Service Manual TRANSFER CONTROL UNITDLN-87
< ECU DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
25 V Neutral-4LO switch • Vehicle stopped
• Engine running
• A/T selector lever 
“N” position
• Brak

Page 1170 of 4210

INFINITI QX56 2010  Factory Service Manual DLN-88
< ECU DIAGNOSIS >[ATX14B]
TRANSFER CONTROL UNIT
CAUTION:
When using a circuit tester to measure voltage for inspecti
on, be sure not to extend forcibly any connector terminals.
NOTE:
Data are r

Page 1184 of 4210

INFINITI QX56 2010  Factory Service Manual DLN-102
< SYMPTOM DIAGNOSIS >[ATX14B]
4WD SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
4WD SYSTEM SYMPTOMS
Symptom TableINFOID:0000000005148856
If 4WD warning lamp turns ON, perform self-diagnosis. Refer to DLN-

Page 1185 of 4210

INFINITI QX56 2010  Factory Service Manual 4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT TURN ON
DLN-103
< SYMPTOM DIAGNOSIS > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
4WD SHIFT INDICATOR LAMP AND  4LO INDICATOR LAMP DO NOT
TURN ON
D